use strict;
use warnings;
-our $VERSION = '0.06';
+our $VERSION = '0.08';
-use Sub::Exporter -setup => {
- exports => [ qw(in_global_destruction) ],
- groups => { default => [ -all ] },
+use Sub::Exporter::Progressive -setup => {
+ exports => [ qw(in_global_destruction) ],
+ groups => { default => [ -all ] },
};
# we run 5.14+ - everything is in core
#
if (defined ${^GLOBAL_PHASE}) {
- eval 'sub in_global_destruction () { ${^GLOBAL_PHASE} eq q[DESTRUCT] }';
+ eval 'sub in_global_destruction () { ${^GLOBAL_PHASE} eq q[DESTRUCT] }';
}
# try to load the xs version if it was compiled
#
elsif (eval {
- require XSLoader;
- XSLoader::load(__PACKAGE__, $VERSION);
- 1;
+ require XSLoader;
+ XSLoader::load(__PACKAGE__, $VERSION);
+ 1;
}) {
- # the eval already installed everything, nothing to do
+ # the eval already installed everything, nothing to do
}
# Not core nor XS
+# The whole thing is in an eval to prevent perl from parsing it in the
+# first place under perls where none of this is needed
#
else {
-
- # SpeedyCGI runs END blocks every cycle but somehow keeps object instances
- # hence DIAF
- die("The pure-perl version of @{[__PACKAGE__]} can not function correctly under CGI::SpeedyCGI. "
- . "Please ensure you have a working compiler, and reinstall @{[__PACKAGE__]} to enable the XS "
- . "codepath.\n"
- ) if $CGI::SpeedyCGI::i_am_speedy;
-
eval <<'PP_IGD' or die $@;
+# SpeedyCGI runs END blocks every cycle but somehow keeps object instances
+# hence DIAF
+die("The pure-perl version of @{[__PACKAGE__]} can not function correctly under CGI::SpeedyCGI. "
+ . "Please ensure you have a working compiler, and reinstall @{[__PACKAGE__]} to enable the XS "
+ . "codepath.\n"
+) if $CGI::SpeedyCGI::i_am_speedy;
+
my ($in_global_destruction, $before_is_installed);
-sub in_global_destruction { $in_global_destruction }
+sub in_global_destruction () { $in_global_destruction }
+
+# end_av trick suggested by liz++
+require B;
+my $add_endblock = sub {
+ push @{ B::end_av()->object_2svref }, sub { $in_global_destruction = 1 };
+};
# This block will fire towards the end of the program execution
-# Since there is no way for us to generate an END which will execute *last*
-# this is *NOT 100% INCOMPATIBLE* with XS/${^GLOBAL_PHASE}. We *may* end up
-# with a true in_gloal_destruction() in the middle of another END block
-# There are no practical cases where this matters.
+# Use it to inject an END block which is guaranteed to run last
+# (as long as something else doesn't inject yet another block in
+# the same manner afterwards, at which point it hardly matters
+# anyway)
#
-END {
- $in_global_destruction = 1;
-}
+END { $add_endblock->() }
# threads do not execute the global ENDs (it would be stupid). However
# one can register a new END via simple string eval within a thread, and
=head1 EXPORTS
-This module uses L<Sub::Exporter> so the exports may be renamed, aliased, etc.
+This module uses L<Sub::Exporter::Progressive> so the exports may be renamed,
+aliased, etc. if L<Sub::Exporter> is present.
=over 4
Peter Rabbitson E<lt>ribasushi@cpan.orgE<gt>
+Arthur Axel 'fREW' Schmidt E<lt>frioux@gmail.comE<gt>
+
+Elizabeth Mattijsen E<lt>liz@dijkmat.nlE<gt>
+
=head1 COPYRIGHT
Copyright (c) 2008 Yuval Kogman. All rights reserved